001: /* ===========================================================
002: * JFreeChart : a free chart library for the Java(tm) platform
003: * ===========================================================
004: *
005: * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
006: *
007: * Project Info: http://www.jfree.org/jfreechart/index.html
008: *
009: * This library is free software; you can redistribute it and/or modify it
010: * under the terms of the GNU Lesser General Public License as published by
011: * the Free Software Foundation; either version 2.1 of the License, or
012: * (at your option) any later version.
013: *
014: * This library is distributed in the hope that it will be useful, but
015: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017: * License for more details.
018: *
019: * You should have received a copy of the GNU Lesser General Public
020: * License along with this library; if not, write to the Free Software
021: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022: * USA.
023: *
024: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025: * in the United States and other countries.]
026: *
027: * ----------------------------------
028: * DefaultPolarItemRendererTests.java
029: * ----------------------------------
030: * (C) Copyright 2006, 2007, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: DefaultPolarItemRendererTests.java,v 1.1.2.2 2007/03/15 12:05:08 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 04-Aug-2006 : Version 1 (DG);
040: * 15-Mar-2007 : Added independence check to testCloning() (DG);
041: *
042: */
043:
044: package org.jfree.chart.renderer.junit;
045:
046: import java.io.ByteArrayInputStream;
047: import java.io.ByteArrayOutputStream;
048: import java.io.ObjectInput;
049: import java.io.ObjectInputStream;
050: import java.io.ObjectOutput;
051: import java.io.ObjectOutputStream;
052:
053: import junit.framework.Test;
054: import junit.framework.TestCase;
055: import junit.framework.TestSuite;
056:
057: import org.jfree.chart.renderer.DefaultPolarItemRenderer;
058:
059: /**
060: * Tests for the {@link DefaultPolarItemRenderer} class.
061: */
062: public class DefaultPolarItemRendererTests extends TestCase {
063:
064: /**
065: * Returns the tests as a test suite.
066: *
067: * @return The test suite.
068: */
069: public static Test suite() {
070: return new TestSuite(DefaultPolarItemRendererTests.class);
071: }
072:
073: /**
074: * Constructs a new set of tests.
075: *
076: * @param name the name of the tests.
077: */
078: public DefaultPolarItemRendererTests(String name) {
079: super (name);
080: }
081:
082: /**
083: * Check that the equals() method distinguishes all fields.
084: */
085: public void testEquals() {
086: DefaultPolarItemRenderer r1 = new DefaultPolarItemRenderer();
087: DefaultPolarItemRenderer r2 = new DefaultPolarItemRenderer();
088: assertEquals(r1, r2);
089:
090: r1.setSeriesFilled(1, true);
091: assertFalse(r1.equals(r2));
092: r2.setSeriesFilled(1, true);
093: assertTrue(r1.equals(r2));
094:
095: }
096:
097: /**
098: * Two objects that are equal are required to return the same hashCode.
099: */
100: public void testHashcode() {
101: DefaultPolarItemRenderer r1 = new DefaultPolarItemRenderer();
102: DefaultPolarItemRenderer r2 = new DefaultPolarItemRenderer();
103: assertTrue(r1.equals(r2));
104: int h1 = r1.hashCode();
105: int h2 = r2.hashCode();
106: assertEquals(h1, h2);
107: }
108:
109: /**
110: * Confirm that cloning works.
111: */
112: public void testCloning() {
113: DefaultPolarItemRenderer r1 = new DefaultPolarItemRenderer();
114: DefaultPolarItemRenderer r2 = null;
115: try {
116: r2 = (DefaultPolarItemRenderer) r1.clone();
117: } catch (CloneNotSupportedException e) {
118: e.printStackTrace();
119: }
120: assertTrue(r1 != r2);
121: assertTrue(r1.getClass() == r2.getClass());
122: assertTrue(r1.equals(r2));
123:
124: r1.setSeriesFilled(1, true);
125: assertFalse(r1.equals(r2));
126: r2.setSeriesFilled(1, true);
127: assertTrue(r1.equals(r2));
128: }
129:
130: /**
131: * Serialize an instance, restore it, and check for equality.
132: */
133: public void testSerialization() {
134: DefaultPolarItemRenderer r1 = new DefaultPolarItemRenderer();
135: DefaultPolarItemRenderer r2 = null;
136: try {
137: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
138: ObjectOutput out = new ObjectOutputStream(buffer);
139: out.writeObject(r1);
140: out.close();
141:
142: ObjectInput in = new ObjectInputStream(
143: new ByteArrayInputStream(buffer.toByteArray()));
144: r2 = (DefaultPolarItemRenderer) in.readObject();
145: in.close();
146: } catch (Exception e) {
147: e.printStackTrace();
148: }
149: assertEquals(r1, r2);
150: }
151:
152: }
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